每次我在我的网站上创建帖子时,当它重定向到应用程序的详细视图时,我总是会收到一个NoReverseMatch错误。我在网上找不到答案
Views.py:
from django.shortcuts import render
from django.views import generic
from django.contrib.auth.mixins import LoginRequiredMixin
from django.urls import reverse_lazy
from . import forms
from . import models
# Create your views here.
class AnnouncementListView(generic.ListView,LoginRequiredMixin):
model = models.Announcement
class AnnouncementDetailView(generic.DetailView, LoginRequiredMixin):
model = models.Announcement
class AnnouncementUpdateView(generic.UpdateView, LoginRequiredMixin):
model = models.Announcement
form_class = forms.AnnouncementForm
class AnnouncementCreateView(generic.CreateView, LoginRequiredMixin):
model = models.Announcement
form_class = forms.AnnouncementForm
class AnnouncementDeleteView(generic.DeleteView, LoginRequiredMixin):
model = models.Announcement
success_url = reverse_lazy('announcement:single')
def get_queryset(self):
queryset = super().get_queryset()
return queryset.filter(user_id=self.request.user.id)
def delete(self, *args, **kwargs):
messages.success(self.request, "Post Deleted")
return super().delete(*args, **kwargs)
URL.py:
from django.urls import path
from . import views
app_name = 'announcement'
urlpatterns = [
path('create/', views.AnnouncementCreateView.as_view(), name='create'),
path('', views.AnnouncementListView.as_view(), name='list'),
path('posts/<int:pk>/', views.AnnouncementDetailView.as_view(), name='single'),
path('delete/<int:pk>/', views.AnnouncementDeleteView.as_view(), name='destroy'),
]
公告_detail.html:
{% extends 'base.html' %}
{% block content %}
<div class="container">
<h1>{{announcement.title}}</h1>
<p>{{announcement.text}}</p>
<span>{{announcement.date}}</span>
<a href="{% url 'announcement:destroy' %} "><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-eraser-fill" viewBox="0 0 16 16">
<path d="M8.086 2.207a2 2 0 0 1 2.828 0l3.879 3.879a2 2 0 0 1 0 2.828l-5.5 5.5A2 2 0 0 1 7.879 15H5.12a2 2 0 0 1-1.414-.586l-2.5-2.5a2 2 0 0 1 0-2.828l6.879-6.879zm.66 11.34L3.453 8.254 1.914 9.793a1 1 0 0 0 0 1.414l2.5 2.5a1 1 0 0 0 .707.293H7.88a1 1 0 0 0 .707-.293l.16-.16z"/>
</svg></a>
</div>
{% endblock %}
错误:
您需要传递公告的主键才能销毁:
但是,删除视图不会被GET请求触发,而会被POST请求触发,这是因为GET请求不是用来创建/更新/删除实体的
因此,您需要制作一个小表单:
此外,mixin应该放在视图的之前,因为否则它们会在方法分辨率顺序(MRO)的末尾结束:
作为@NKSM says,您的
AnnounceDeleteView
的success_url
具有相同的问题。您应该重定向到列表,或者应该重写get_success_url
,但是在这里重定向到已删除项的详细视图没有意义,因为它已被删除:相关问题 更多 >
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